<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        class Person{
            // 公共属性
            name
            // 私有属性
            #age
            #weight
            // 构造方法
            constructor(name,age,weight){
                this.name = name
                this.#age = age
                this.#weight = weight
            }

            intro(){
                console.log(girl.name)
                console.log(girl.#age)
                console.log(girl.#weight)
            }
        }

        // 实例化
        const girl = new Person('晓红',18,'45kg')

        // console.log(girl.name)
        // console.log(girl.#age)
        // console.log(girl.#weight)

        girl.intro()
    </script>
</body>
</html>